| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Adriatic Sea | Sea/Bay/Gulf | native | 117304 |
| Aegean Sea | Sea/Bay/Gulf | native | 8224 |
| Atlantic Ocean | Sea/Bay/Gulf | native | 96235 |
| Baltic Sea | Sea/Bay/Gulf | native | 96235 |
| Mediterranean Sea | Sea/Bay/Gulf | native | 8224 |
| North Sea | Sea/Bay/Gulf | native | 3477 |
| Northern European Seas | Sea/Bay/Gulf | native | 2779 |
| Temperate Northern Atlantic | sea/bay/gulf | native | 8224 |